Hello, just to bump again - isn't there anyone who can give us some hint or clue regarding these 0xdeadbeef entries in the registers? Couldn't find a connection to other reports deadbeef on the mailing list so far. Thanks! Simon On Mon, Aug 13, 2012 at 06:53:40PM +0200, Simon Wunderlich wrote: > Hello ath9k fellows, > > I'm using a pretty new AR9330 rev1/hornet based AP at home. After some > days (5 days this time), it suddenly stops beaconing. dmesg shows nothing, > hostapd is still running, but what I can see is: > > cat /sys/kernel/debug/ieee80211/phy0/ath9k/regdump > 0x000000 0xdeadbeef > 0x000004 0xdeadbeef > 0x000008 0xdeadbeef > 0x00000c 0xdeadbeef > 0x000010 0xdeadbeef > 0x000014 0xdeadbeef > [...] > 0x001ff4 0xdeadbeef > 0x001ff8 0xdeadbeef > 0x001ffc 0xdeadbeef > 0x002000 0xbadc0ffe > 0x002004 0xbadc0ffe > 0x002008 0xbadc0ffe > 0x00200c 0xbadc0ffe > 0x002010 0xbadc0ffe > [...] > 0x003ff0 0xbadc0ffe > 0x003ff4 0xbadc0ffe > 0x003ff8 0xbadc0ffe > 0x003ffc 0xbadc0ffe > 0x004000 0x00000000 > 0x004004 0x0102420b > 0x004008 0x00000000 > 0x00400c 0x00000000 > [...] (some more sane looking registers here, and then zeros) > 0x004ef8 0x00000000 > 0x004efc 0x00000000 > 0x004f00 0xdeadbeef > 0x004f04 0xdeadbeef > 0x004f08 0xdeadbeef > [...] (and the rest is mostly deadbeef) > > Also /sys/kernel/debug/ieee80211/phy0/ath9k/dma shows a lot of deadbeef. > > I'm using OpenWRT r31729, a single AP bridged with Ethernet. It is normal > home usage, i.e. a few laptops and android phones doing not so much traffic. > The box stops working out of the blue after a few days without any outside > event (at least none I'm aware of). Sometimes this problem does not occur for > 2 weeks, sometimes after 12 hours, I couldn't find an easy way to reproduce it > yet. As said, the box is perfectly reachable via SSH, no errors in syslog or > anywhere else. Also an ifconfig wlan0 down and up seems to fix the problem. > > I'll try a new firmware with more debugging turned on, but have any of you > seen this problem? Any input would be very much appreciated. I have a complete > /sys/kernel/debug log from a working and a non-working system, along with > more info (brctl, ip config, etc) which I'd love to share with anyone interested > - it's too much to post on a public ml. > > Thank you very much > Cheers, > Simon
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